94e2aeb7e98ed5d227db3c6c8324bbc90406e7480a2cc2688d1e9dc4e06cf5dd

General

Target
file.exe
Size 1.6MB
Sample231206-kgetfsda84
SHA256 94e2aeb7e98ed5d227db3c6c8324bbc90406e7480a2cc2688d1e9dc4e06cf5dd
MD5 286fc891ff21a4bb4ba1d4ccb55ec173
SHA1 4775860a1d1069aa2336cdbbc20969f7d4680225
SHA512 108aa7985ae365df787a8a8a9532315e6c40439d0463d3d13798e4e7da8baa0a24628bd99080b99888c0ea3650c19bd6227fb8448f51b2c31314ac5942ed7b4f
SSDEEP 49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqD8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

collection discovery persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	file.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	file.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
40	ipinfo.io
41	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	file.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	file.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	file.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	file.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	3984	WerFault.exe	87

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
792	schtasks.exe
2780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3984	file.exe
3984	file.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 792	3984	file.exe	90
PID 3984 wrote to memory of 792	3984	file.exe	90
PID 3984 wrote to memory of 792	3984	file.exe	90
PID 3984 wrote to memory of 2780	3984	file.exe	95
PID 3984 wrote to memory of 2780	3984	file.exe	95
PID 3984 wrote to memory of 2780	3984	file.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3984
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:792
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:2780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 1724
  2⤵
  - Program crash
  PID:1664

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3392

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3984 -ip 3984
1⤵
PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 1.6MB
SHA256 94e2aeb7e98ed5d227db3c6c8324bbc90406e7480a2cc2688d1e9dc4e06cf5dd
MD5 286fc891ff21a4bb4ba1d4ccb55ec173
SHA1 4775860a1d1069aa2336cdbbc20969f7d4680225
SHA512 108aa7985ae365df787a8a8a9532315e6c40439d0463d3d13798e4e7da8baa0a24628bd99080b99888c0ea3650c19bd6227fb8448f51b2c31314ac5942ed7b4f
SSDEEP 49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqD8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO
MD5 SHA1 SHA512 SSDEEP

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information.txt

Path C:\Users\Admin\AppData\Local\Temp\grandUIAO_0vgxJstBpdX\information.txt
Size 3KB
SHA256 25bdf989657480cb502886c0aa40654f40968d3c02fd2293fd95b369ffafe0ad
MD5 a53d7efcafa8a1a539be81e3eb45f92a
SHA1 ff3b4c24b22b9a62d71c126ff89d0f668a396cd9
SHA512 d3bcfc7c1c3ef7ba834d3db436ee23627f4e27c8a7c10f6102748f9edecf21905545c86ca85d5a45b08897d3eebcc18ea323308b3f4598987c6db45bf8b9259a
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads